Encapsulation is supported by
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Question 3
Encapsulation is supported by ___________
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- Consider the following class hierarchy: class Animal { ... } class Mammal extends Animal { ... } class Cat extends Mammal { ... } Write a generic method printArray that takes an array of any type and prints each element of the array. If the element is an instance of Animal or its subclass, the method should call the toString method of the object to print its details. Otherwise, the method should simply print the element. Your method should have the following signature: public static <T> void printArray(T[] array)c# programMake a class called Employees, with attributes Name, Gender, Experience, Salary and ID.Make a delegate called EligiblePromo. This delegate takes an employees object as a parameter and returns a boolean value indication whether or not the employee should be promoted.Make a PromoteEmployee() method that takes an arraylist of Employees and delegate of type EligiblePromo as parametersNB: PromoteEmployee() methos loops through each Employees object and passes it to the delegate(25)Design a new Account class as follows:■■ Add a new data field name of the String type to store the name of thecustomer.■■ Add a new constructor that constructs an account with the specified name, id,and balance.■■ Add a new data field named transactions whose type is ArrayList thatstores the transaction for the accounts. Each transaction is an instance of theTransaction class, which is defined as shown in Figure ■■ Modify the withdraw and deposit methods to add a transaction to thetransactions array list. Write a test program that creates an Account with annual interest rate 1.5%,balance 1000, id 1122, and name George. Deposit $30, $40, and $50 to theaccount and withdraw $5, $4, and $2 from the account. Print an account summarythat shows the account holder name, interest rate, balance, and all transactions.
- Inheritance, Polymorphism, ArrayLists, Throwing Exceptions The UML diagram below shows a set of classes designed to represent a music collection from 1995. The constructors and methods all function in the standard way, except: The equipmentRequired method should return “Record Player” or “CD Player” as appropriate.The getAlbum method of the NinetiesMusicCollection class accepts an index and returns the corresponding Album object. This method throws an IllegalArgumentException if the index is out of range. (This is the only exception you have to throw anywhere in your code.)In the NinetiesMusicCollection constructor, you can assume the ArrayList<Album> object passed as an argument is not null . Don’t worry about privacy leaks.Implement this set of classes in Java. Note the italics on the Class name “Album” and the method name “equipmentRequired” in the Album class.Data Structure & Algorithum java program Do the following: 1) Add a constructor to the class "LList" that creates a list from a given array of objects.2) Add a method "addAll" to the "LList" class that adds an array of items to the end of the list. The header of the method is as follows, where "T" is the generic type of the objects in the list. 3) Write a Test/Driver program that thoroughly tests all the methods in the class "LList".import bridges.base.ColorGrid;import bridges.base.Color;public abstract class Mark {// this is protected (rather than private) so that// subclasses of Mark can access itprotected Color color;/*Returns true if and only if the given Coloris the same as this Mark's Color. Two Colorsare considered the same if their Red, Green,Blue, and Alpha components are equal.c: the Color to check against*/public boolean isColor(Color c) {return false;}/*Draws this Mark onto the given ColorGridcg: the ColorGrid to draw onto*/public abstract void draw(ColorGrid cg);} import bridges.base.Color;import org.junit.Assert;import org.junit.Test;public class MarkTest {private static final Color B = new Color("black");private static final Color W = new Color("white");private static final Color U = new Color("blue");@Testpublic void isColorTest() {Mark m1 = new Point(0, 0, W);Mark m2 = new HorizontalLine(1, 1, 2,…
- Implement LinkedListclass for this problema.Create an Employeeclass which will have details like EmployeeNo, EmployeeName and Address. You should pass value for EmployeeNo, EmployeeName and Addressthrough constructor.b.Create a method addInput( ) which will add employee details to LinkedList.c.Create method display( ) which should display all data from LinkedList using forward and reverse order using Iterator and ListIterator interfaces.d.Note:addInput( ) and display( ) should not be member functions of EmployeeclassCourse Title: Modern Programming Language Please Java Language Code and Correct Code Please Question : Design an abstract class GeometricObject. GeometricObject must ensure that its children must implement calcArea() method. Design Rectangle18ARID2891 and CircleMJibranAkram Classes as children of GeometricObject class with overridden toString() method to return “Rectangle18ARID2891 with w Width and h Height is drawn” OR “CircleMJibranAkram with r Radius is drawn”. The attributes of Rectangle18ARID2891 are length, width. The attribute of CircleMJibranAkram is radius Hint: Area of circle=πr2 , Area of rectangle= width*length0k try t0 $0LV3 In Pyt60n #3class you should D3sign should B@nk class and Acc0unt class.
- in c++ use OOP techiques Implement a shape hierarchy by using inheritance aand poolymorphisim. You must have your super class shape and 2subclasses two-dimensional shape and three-dimensional shape. Under twodimensional shape, you have other subclasses, circle, square, and triangle. Under thethree-dimensional shape you have the sphere, cube, and tetrahedron. Each twoEmployeenametaxRategetNamecalcSalaryStringpStrStringoperator =operator <<SalariedEmsalarycalcSalaryHourlyEmphourshourlyRatecalcSalaryCommEmpsalescommRatecalcSalarydimensional shape should contain a method getArea to calculate the area of the twodimensional shape. Each three-dimensional shape should have amethod getArea and getVolume to calculate the surface area and volume, respectively, ofthe three-dimensional shape. Create a program that uses an array of shape references toobjects of each concrete class in the hierarchy. The program should print a text descriptionof the object to which each array element refers.…URGENtt!! You are asked to write a java class named "Kume". The UML class diagram of the Kume class is as follows. 3 The elements in the set are kept in an ArrayList. The constructor of the class takes an array of int and adds the elements of this array to the ArrayList named al. The add() method adds an integer it takes as a parameter to the get element. The delete() method deletes an Integer object that it takes as a parameter from the get element, returns true if it can be deleted, otherwise false. The print() function prints the elements of the set to the console. The compareTo() method is inherited from the Object class and is suppressed, and compares the get element of the Set object, which it takes as a parameter, with the retrieve element of the current set object in terms of content (the order of the elements is not important). It returns 1 if both sets contain the same elements, 0 otherwise. Below is a test code that creates two objects from the Kume class and performs…Write the definitions of the member functions of the classes arrayListType and unorderedArrayListType that are not given in this chapter. The specific methods that need to be implemented are listed below. Implement the following methods in arrayListType.h: isEmpty isFull listSize maxListSize clearList Copy constructor Implement the following method in unorderedArrayListType.h insertAt Also, write a program (in main.cpp) to test your function.